7 Medical Tests Older Adults Don’t Need But Still Pay For

As we age, it’s natural to want reassurance about our health. But for many older adults, that desire leads to a flood of medical tests—some of which are unnecessary, costly, and even harmful. Despite growing awareness, millions of seniors still undergo screenings and procedures that offer little benefit. These tests can lead to false positives, anxiety, invasive follow-ups, and wasted money. Understanding which tests to question can help older adults take control of their care and avoid being overtreated.

1. Annual EKGs or Cardiac Stress Tests Without Symptoms

Unless you have a history of heart disease or symptoms like chest pain or shortness of breath, routine EKGs and stress tests aren’t recommended. Yet many seniors receive them during annual checkups. These tests can lead to false alarms and unnecessary procedures like angiograms or stents. The U.S. Preventive Services Task Force (USPSTF) advises against routine cardiac screening in low-risk individuals.

2. Imaging for Low Back Pain Without Red Flags

Back pain is common in older adults, but most cases resolve on their own. MRIs or CT scans are often ordered too quickly, even when there are no signs of serious conditions like cancer or nerve damage. These scans rarely change treatment plans and can lead to unnecessary surgeries or injections. Guidelines recommend waiting at least six weeks before imaging unless there are red flags like weight loss, fever, or neurological symptoms.

3. PSA Tests for Prostate Cancer in Older Men

The PSA blood test can detect prostate cancer early, but it also leads to overdiagnosis and overtreatment—especially in men over 70. Many prostate cancers grow so slowly they’ll never cause harm, but treatment can lead to incontinence and sexual dysfunction. The USPSTF recommends against routine PSA screening in men over 70, yet it remains a common part of senior checkups.

4. Colonoscopies Beyond Age 75

Colon cancer screening is important, but the benefits diminish with age. For adults over 75, especially those with other health issues, the risks of colonoscopy—like bleeding or perforation—often outweigh the benefits. Less invasive options like stool tests may be more appropriate, or screening may not be needed at all. Still, many older adults continue to receive colonoscopies out of habit or fear.

5. Thyroid Function Tests Without Symptoms

Routine screening for thyroid issues in asymptomatic seniors is not generally recommended. Mild abnormalities in thyroid hormone levels are common with age and often don’t require treatment. Yet many older adults are tested annually, leading to unnecessary prescriptions and follow-up appointments. Unless you have symptoms like fatigue, weight changes, or cold intolerance, routine thyroid testing may not be necessary.

6. Vitamin D Testing Without Risk Factors

Vitamin D deficiency is a concern, but routine testing in healthy older adults isn’t always helpful. Most people can maintain adequate levels through diet, supplements, and sunlight. Testing is recommended only for those with osteoporosis, chronic kidney disease, or other specific conditions. Despite this, vitamin D tests are frequently ordered, adding to healthcare costs without improving outcomes.

7. Brain Imaging for Memory Loss Without Evaluation

Worried about memory changes, some seniors request brain scans to check for Alzheimer’s or other conditions. But imaging is rarely the first step. A thorough cognitive evaluation, medical history, and lab tests should come first. Scans are only useful when there’s a clear clinical reason. Jumping to imaging can lead to misdiagnosis, unnecessary worry, and costly follow-ups.

Why These Tests Persist

So why do unnecessary tests continue? In part, it’s due to habit—both from patients who expect them and providers who want to be thorough. Defensive medicine, where doctors order tests to avoid liability, also plays a role. And in a fee-for-service system, more tests often mean more revenue. Breaking this cycle requires education, trust, and a shift toward value-based care.

Older adults should feel empowered to ask questions: “Do I really need this test?” “What will we do with the results?” “Are there risks?” Shared decision-making with your doctor can help avoid unnecessary procedures. Organizations like Choosing Wisely offer patient-friendly guides on which tests to question. Being informed doesn’t mean refusing care—it means choosing care that truly helps.

Smarter Care, Better Outcomes

Avoiding unnecessary tests isn’t about cutting corners—it’s about focusing on what matters. By skipping low-value screenings, seniors can reduce stress, avoid harm, and save money. The goal is not just to live longer, but to live better—with care that supports health, not just habits.

If you’re scheduled for a test, take a moment this week to ask your doctor if it’s truly necessary. Let us know if you’ve had unnecessary tests. 

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Teri Monroe started her career in communications working for local government and nonprofits. Today, she is a freelance finance and lifestyle writer and small business owner. In her spare time, she loves golfing with her husband, taking her dog Milo on long walks, and playing pickleball with friends.